:root{
  --bg:#0b0d12;
  --panel:#121622;
  --text:#e8ecf3;
  --muted:#a7b0c2;
  --line:#232a3a;
  --accent:#7aa2ff;
  --accent2:#5eead4;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 16px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 20% 10%, rgba(122,162,255,.12), transparent),
              radial-gradient(900px 600px at 80% 20%, rgba(94,234,212,.08), transparent),
              var(--bg);
  color:var(--text);
  line-height:1.5;
}

a{color:inherit; text-decoration:none}
.container{max-width:1000px; margin:0 auto; padding:24px}

.topbar{
  position:sticky; top:0;
  backdrop-filter: blur(10px);
  background: rgba(11,13,18,.65);
  border-bottom:1px solid rgba(35,42,58,.7);
  z-index:10;
}
.topbar-inner{display:flex; align-items:center; justify-content:space-between}
.brand{
  width:40px; height:40px;
  display:grid; place-items:center;
  border:1px solid rgba(35,42,58,.9);
  border-radius:12px;
  font-weight:800;
  letter-spacing:.5px;
}
.nav a{
  padding:10px 12px;
  border-radius:12px;
  color:var(--muted);
}
.nav a.active, .nav a:hover{
  color:var(--text);
  background: rgba(18,22,34,.8);
  border: 1px solid rgba(35,42,58,.8);
}

.hero{padding:38px 0 10px}
.hero-inner{
  display:grid;
  grid-template-columns: 1.4fr .9fr;
  gap:18px;
  align-items:stretch;
}
.kicker{
  color:var(--muted);
  letter-spacing:.12em;
  text-transform:uppercase;
  font-size:.78rem;
  margin:0 0 10px;
}
h1{font-size:2.4rem; margin:0 0 10px}
.subhead{color:var(--muted); margin:0 0 18px; max-width:52ch}

.hero-actions{display:flex; gap:12px; flex-wrap:wrap}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:10px 14px;
  border-radius:14px;
  background: linear-gradient(135deg, rgba(122,162,255,.95), rgba(94,234,212,.65));
  color:#0b0d12;
  font-weight:700;
  box-shadow: var(--shadow);
}
.btn-ghost{
  background: transparent;
  color:var(--text);
  border:1px solid rgba(35,42,58,.9);
  box-shadow:none;
}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0)}

.section{padding:26px 0}
.section-header{margin-bottom:14px}
.section-header h2, .section-header h1{margin:0 0 6px}
.muted{color:var(--muted)}
.small{font-size:.9rem}

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}

.card{
  background: rgba(18,22,34,.85);
  border:1px solid rgba(35,42,58,.9);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
}
.card h3{margin:0 0 8px}
.card p{margin:0 0 10px; color:var(--muted)}
.card-actions{margin-top:10px}

.link{
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(122,162,255,.4);
  text-underline-offset: 3px;
}

.hero-card .card-title{margin:0 0 10px; font-weight:700}
.bullets{margin:0; padding-left:18px; color:var(--muted)}
.bullets li{margin:6px 0}

.tag-row{display:flex; gap:8px; flex-wrap:wrap; margin-top:10px}
.tag{
  font-size:.78rem;
  color: var(--text);
  background: rgba(35,42,58,.7);
  border:1px solid rgba(35,42,58,.9);
  padding:6px 10px;
  border-radius: 999px;
}

.footer{
  border-top:1px solid rgba(35,42,58,.8);
  margin-top:30px;
  background: rgba(11,13,18,.6);
}
.footer-inner{display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap}

@media (max-width: 900px){
  .hero-inner{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  h1{font-size:2.05rem}
}